Please can you point me to some source code so I can inspect it about the 
issue I filed?
It's about CEF so it boils down to some interface for mouse events.
Thanks


Il giorno giovedì 4 marzo 2021 alle 03:09:12 UTC+1 Shai Almog ha scritto:

> I don't know, it's hard to tell from a review of the code.
>
> On Wednesday, March 3, 2021 at 12:52:36 PM UTC+2 P5music wrote:
>
>> I need the information whether this issue could impact iOS or not.
>> Is it possible to know this while the issue is not fixed yet on Android? 
>> If it is not on iOS too, for example thanks to more consistent APIs, I 
>> could start testing on those devices, but some kind of action has to be 
>> taken on my side, so it would be useful to know in advance.
>> Thanks in advance
>>
>> Il giorno venerdì 26 febbraio 2021 alle 08:49:44 UTC+1 P5music ha scritto:
>>
>>> CEF BrowserComponent: mouse events handled differently in Android device 
>>> than simulator · Issue #3378 · codenameone/CodenameOne (github.com) 
>>> <https://github.com/codenameone/CodenameOne/issues/3378>   
>>>
>>> Il giorno venerdì 26 febbraio 2021 alle 07:09:36 UTC+1 Shai Almog ha 
>>> scritto:
>>>
>>>> OK, is this filed as an issue so I can assign it to Steve?
>>>>
>>>> On Thursday, February 25, 2021 at 12:50:14 PM UTC+2 P5music wrote:
>>>>
>>>>> I created a test case but before filing an issue I have to point out 
>>>>> what follows. (You find the relevant code below)
>>>>> The test app features a CEF BrowserComponent with some text inside.
>>>>> Text lines are not so long horizontally to fill the view, so the right 
>>>>> part is empty.
>>>>> Also the bottom part is empty because only a few text lines are in the 
>>>>> HTML.
>>>>>
>>>>> On the Android device:
>>>>> I can click on text and I have the mousedown/mouseup sequence (events 
>>>>> are fired and callbacks are issued).
>>>>> I can click on the empty part on the right and I have the  
>>>>> mousedown/mouseup sequence (events are fired and callbacks are issued). 
>>>>>
>>>>> If I click on the empty part on the bottom I have no callbacks.
>>>>>
>>>>> If I long-press on the text the Android text-selection interface 
>>>>> appears.
>>>>> If I long-press on the empty part on the right no callbacks are issued 
>>>>> (this is the issue this thread is about but it is entwined with something 
>>>>> else, read on).
>>>>>
>>>>> I remind that the empty part on the right is a DIV with the callbacks 
>>>>> on it.
>>>>> And the bottom part is really empty.
>>>>>
>>>>> Sofor my app to work
>>>>> -the text should not be selectable in the BrowserComponent because in 
>>>>> my app the long-press on any iFrame in the list is just for launching the 
>>>>> pop-up menu.
>>>>> -the long-press events should be issued also on the text, if present 
>>>>> in the iFrames.
>>>>>
>>>>> How to have those two specs satisfied?
>>>>> It seems that there are two questions, one is maybe the simplest to 
>>>>> solve, the other is maybe a bug to file an issue about. 
>>>>> And the two are together, it seems.
>>>>> (They are not seen in the simulator)
>>>>>
>>>>> Regards
>>>>>
>>>>> public void start() {
>>>>> if(current != null){
>>>>> current.show();
>>>>> return;
>>>>> }
>>>>> Form hi = new Form("Hi World");
>>>>> hi.setLayout(new BorderLayout());
>>>>> hi.add(BorderLayout.NORTH,new Label("Hi World"));
>>>>> BrowserComponent bc=new BrowserComponent();
>>>>>
>>>>> bc.addWebEventListener("onLoad", new ActionListener() {
>>>>> @Override
>>>>> public void actionPerformed(ActionEvent evt) {
>>>>> System.out.println("onload");
>>>>> bc.addJSCallback("var div=document.getElementById('divId');" +
>>>>> "callMouseDown 
>>>>> =function(){callback.onSuccess('mousedown');};callMouseUp 
>>>>> =function(){callback.onSuccess('mouseup');};"+
>>>>> "div.addEventListener('mousedown', function () {"+
>>>>> "callMouseDown();"+
>>>>> "});"+
>>>>> "div.addEventListener('mouseup', function () {"+
>>>>> "callMouseUp();"+
>>>>> "});"
>>>>> , new SuccessCallback<BrowserComponent.JSRef>() {
>>>>> @Override
>>>>> public void onSucess(BrowserComponent.JSRef value) {
>>>>> System.out.println("webview callback value="+value.getValue());
>>>>> }});
>>>>> }
>>>>> });
>>>>>
>>>>> bc.setPage("<HTML><BODY><DIV id='divId' 
>>>>> ><DIV>TEST</BR>TEST</BR>TEST</BR>TEST</BR>TEST</BR>TEST</BR>TEST</BR></DIV></DIV></BODY></HTML>","");
>>>>>
>>>>> hi.add(BorderLayout.CENTER,bc);
>>>>> hi.show();
>>>>> }
>>>>> Il giorno mercoledì 24 febbraio 2021 alle 03:16:36 UTC+1 Shai Almog ha 
>>>>> scritto:
>>>>>
>>>>>> If it's in JavaScript then it sounds like a bug. Can you extract a 
>>>>>> test case and file an issue?
>>>>>>
>>>>>> On Tuesday, February 23, 2021 at 11:27:59 AM UTC+2 P5music wrote:
>>>>>>
>>>>>>> I am talking about are handled in javascript
>>>>>>> indeed I explicitly wrote about callbacks.
>>>>>>> (the longpress listener also is not called, it is in Java just for 
>>>>>>> testing purposes as a fallback but it is not useful because it is not 
>>>>>>> called either) 
>>>>>>>
>>>>>>> This is the problem:
>>>>>>> The first event should be "mousedown"
>>>>>>> and it is in the simulator, whatever kind of click type the user 
>>>>>>> does, i.e. click or longpress.
>>>>>>> The second event should be "mouseup"
>>>>>>> and it is in the simuator, whatever kind of click type the user 
>>>>>>> does, i.e. click or longpress, just the difference is timing.
>>>>>>> The Javascript callbacks work and a suitable part of the code is 
>>>>>>> called for each of the above mentioned events.
>>>>>>> (It is not a simulator bug, it works as it should)
>>>>>>> So In case of click those events are fired correctly both in 
>>>>>>> simulator and also in the Android device.
>>>>>>>
>>>>>>> Instead
>>>>>>> in case of long press on the real Android device only click is 
>>>>>>> handled correctly and I see the correct sequence of mouse events,
>>>>>>> but with long press those events are not fired, like they are 
>>>>>>> gobbled down.
>>>>>>> So both the down event and the up event are not handled, they do not 
>>>>>>> trigger the callbacks, they are not fired ore they are gobbled.
>>>>>>>
>>>>>>> It seems that the WebView has a timer itself and decides whether to 
>>>>>>> fire the first event according to the timing of the second.
>>>>>>>
>>>>>>> Regards
>>>>>>>
>>>>>>> Il giorno martedì 23 febbraio 2021 alle 04:04:20 UTC+1 Shai Almog ha 
>>>>>>> scritto:
>>>>>>>
>>>>>>>> That sounds like a bug in the simulator not on the device. If you 
>>>>>>>> click in the browser component the event should be delivered there. 
>>>>>>>> Not to 
>>>>>>>> Codename One. You need to intercept it in JavaScript.
>>>>>>>>
>>>>>>>> On Monday, February 22, 2021 at 10:22:12 AM UTC+2 P5music wrote:
>>>>>>>>
>>>>>>>>> The click is on the iFrames inside the HTML, so it is on the BC.
>>>>>>>>> It works on the simulator:
>>>>>>>>> click and long-press gestures are handled with a timer and 
>>>>>>>>> comparing the timestamps.
>>>>>>>>> The issue is that 
>>>>>>>>> when I long-press on the BC when the app runs on the real Android 
>>>>>>>>> device,
>>>>>>>>> even the first mouse event (mousedown) is not fired,
>>>>>>>>> it is like the BC has a timer itself and does not fire the 
>>>>>>>>> mousedown event if the mouseup event is too far in time,
>>>>>>>>> while in the simulator the mousedown event is issued every time, 
>>>>>>>>> regardless of the timing of the subsequent mouseup event.
>>>>>>>>>
>>>>>>>>> Regards
>>>>>>>>>
>>>>>>>>> Il giorno lunedì 22 febbraio 2021 alle 03:29:37 UTC+1 Shai Almog 
>>>>>>>>> ha scritto:
>>>>>>>>>
>>>>>>>>>> Are you long clicking on the browser component or somewhere else? 
>>>>>>>>>> It's unclear from the question.  Do you have a screenshot of the 
>>>>>>>>>> place 
>>>>>>>>>> you're clicking on?
>>>>>>>>>>
>>>>>>>>>> On Sunday, February 21, 2021 at 1:17:56 PM UTC+2 P5music wrote:
>>>>>>>>>>
>>>>>>>>>>> P5music
>>>>>>>>>>> 12:16 (ora) 
>>>>>>>>>>> a CodenameOne Discussions
>>>>>>>>>>> I am testing my CodenameApp on a real Android device.
>>>>>>>>>>> The main screen has a table layout with a container on the left.
>>>>>>>>>>> The container has a container inside, that has a 
>>>>>>>>>>> BrowserComponent inside in BorderLayout.CENTER.
>>>>>>>>>>> The issue is not about layout.
>>>>>>>>>>>
>>>>>>>>>>> I have some callbacks for the BC that on the simulator handle 
>>>>>>>>>>> mouseup/down on the iFrames in the HTML.
>>>>>>>>>>> That callback work also for handing long-press on the same HTML 
>>>>>>>>>>> elements.
>>>>>>>>>>> Everything is fine. If I add a LongPressListener it gets not 
>>>>>>>>>>> called but it is not needed at all.
>>>>>>>>>>>
>>>>>>>>>>> When using the app on the real Android device the clicks are 
>>>>>>>>>>> handled as in the simulator
>>>>>>>>>>> while
>>>>>>>>>>> the long press is not.
>>>>>>>>>>> I debugged and it seems that the events are not fired at all.
>>>>>>>>>>> I mean,
>>>>>>>>>>> a click is mousedown and mouseup within a short time range.
>>>>>>>>>>> a longpress is the same where the mouseup event is after 500ms. 
>>>>>>>>>>> The app uses a timer.
>>>>>>>>>>>
>>>>>>>>>>> But the initial mousedown event itself is not called, and also 
>>>>>>>>>>> the LongPressListener is not called.
>>>>>>>>>>>
>>>>>>>>>>> So what is happening? This is very important because the 
>>>>>>>>>>> long-press is for displaying a pop-up  menu. But only clicks work.
>>>>>>>>>>> Thanks in advance
>>>>>>>>>>>
>>>>>>>>>>

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